1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.events;
24  
25  import com.liferay.portal.kernel.events.Action;
26  import com.liferay.portal.util.WebKeys;
27  
28  import java.util.Map;
29  
30  import javax.servlet.http.HttpServletRequest;
31  import javax.servlet.http.HttpServletResponse;
32  import javax.servlet.http.HttpSession;
33  
34  /**
35   * <a href="ClearRenderParametersAction.java.html"><b><i>View Source</i></b></a>
36   *
37   * @author Brian Wing Shun Chan
38   */
39  public class ClearRenderParametersAction extends Action {
40  
41      public void run(HttpServletRequest request, HttpServletResponse response) {
42  
43          // Some users are confused by the behavior stated in the JSR 168 spec
44          // that render parameters are saved across requests. Set this class to
45          // always clear render parameters to please those users. You can also
46          // modify the "layout.remember.request.window.state.maximized" property
47          // in portal.properties to disable the remembering of window states
48          // across requests.
49  
50          HttpSession session = request.getSession();
51  
52          Map<Long, Map<String, Map<String, String[]>>> renderParametersPool =
53              (Map<Long, Map<String, Map<String, String[]>>>)session.getAttribute(
54                  WebKeys.PORTLET_RENDER_PARAMETERS);
55  
56          if (renderParametersPool != null) {
57              renderParametersPool.clear();
58          }
59      }
60  
61  }